[INFO] cloning repository https://github.com/jrozner/synfuzz [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrozner/synfuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrozner%2Fsynfuzz", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrozner%2Fsynfuzz'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a61abb26d2799a80e0a0ac1098b3d6c40b316df9 [INFO] testing jrozner/synfuzz against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrozner%2Fsynfuzz" "/workspace/builds/worker-54/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jrozner/synfuzz on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jrozner/synfuzz [INFO] finished tweaking git repo https://github.com/jrozner/synfuzz [INFO] tweaked toml for git repo https://github.com/jrozner/synfuzz written to /workspace/builds/worker-54/source/Cargo.toml [INFO] crate git repo https://github.com/jrozner/synfuzz already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dabc4dedbc301c5fde019605088ed0d5d307e5c17e35d7b1494d50d6b1562c29 [INFO] running `Command { std: "docker" "start" "-a" "dabc4dedbc301c5fde019605088ed0d5d307e5c17e35d7b1494d50d6b1562c29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dabc4dedbc301c5fde019605088ed0d5d307e5c17e35d7b1494d50d6b1562c29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dabc4dedbc301c5fde019605088ed0d5d307e5c17e35d7b1494d50d6b1562c29", kill_on_drop: false }` [INFO] [stdout] dabc4dedbc301c5fde019605088ed0d5d307e5c17e35d7b1494d50d6b1562c29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2017520a1510970ca8b0774d5c12969c3df2e94dcee7ede3af2d3e1fd1158e2a [INFO] running `Command { std: "docker" "start" "-a" "2017520a1510970ca8b0774d5c12969c3df2e94dcee7ede3af2d3e1fd1158e2a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling lalrpop-util v0.16.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling arrayref v0.3.5 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling ena v0.9.3 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling syn v0.15.9 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling synfuzz v0.1.0 (/opt/rustwide/workdir/synfuzz) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:22:26 [INFO] [stdout] | [INFO] [stdout] 22 | pub choices: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:55:32 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn choice(choices: Vec>) -> impl Generator { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:62:24 [INFO] [stdout] | [INFO] [stdout] 62 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:90:24 [INFO] [stdout] | [INFO] [stdout] 90 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:119:24 [INFO] [stdout] | [INFO] [stdout] 119 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:157:47 [INFO] [stdout] | [INFO] [stdout] 157 | pub rules: Arc>>>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:212:38 [INFO] [stdout] | [INFO] [stdout] 212 | pub type Rules = HashMap>; [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:220:29 [INFO] [stdout] | [INFO] [stdout] 220 | pub generators: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:238:32 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn seq(generators: Vec>) -> impl Generator { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:249:24 [INFO] [stdout] | [INFO] [stdout] 249 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:288:24 [INFO] [stdout] | [INFO] [stdout] 288 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:323:29 [INFO] [stdout] | [INFO] [stdout] 323 | pub generators: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:324:24 [INFO] [stdout] | [INFO] [stdout] 324 | pub delimiter: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:357:25 [INFO] [stdout] | [INFO] [stdout] 357 | generators: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:371:24 [INFO] [stdout] | [INFO] [stdout] 371 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:372:24 [INFO] [stdout] | [INFO] [stdout] 372 | pub separator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:418:24 [INFO] [stdout] | [INFO] [stdout] 418 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:419:24 [INFO] [stdout] | [INFO] [stdout] 419 | pub separator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> synfuzz/src/combinator.rs:465:24 [INFO] [stdout] | [INFO] [stdout] 465 | pub generator: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling digest v0.7.6 [INFO] [stderr] Compiling string_cache_codegen v0.4.1 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Compiling lalrpop-snap v0.16.0 [INFO] [stderr] Compiling failure v0.1.2 [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-snap-0.16.0/src/message/horiz.rs:25:14 [INFO] [stdout] | [INFO] [stdout] 25 | .intersperse(self.separate) [INFO] [stdout] | ^^^^^^^^^^^ multiple `intersperse` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::iter::Map` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 22 ~ Iterator::intersperse(self.items [INFO] [stdout] 23 + .iter() [INFO] [stdout] 24 + .map(|c| c.min_width()), self.separate) [INFO] [stdout] | [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 22 ~ Itertools::intersperse(self.items [INFO] [stdout] 23 + .iter() [INFO] [stdout] 24 + .map(|c| c.min_width()), self.separate) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lalrpop-snap` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "2017520a1510970ca8b0774d5c12969c3df2e94dcee7ede3af2d3e1fd1158e2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2017520a1510970ca8b0774d5c12969c3df2e94dcee7ede3af2d3e1fd1158e2a", kill_on_drop: false }` [INFO] [stdout] 2017520a1510970ca8b0774d5c12969c3df2e94dcee7ede3af2d3e1fd1158e2a